Add-on armrest for wheelchair or truck



FIG. 1 is an end view of an add-on armrest for a wheelchair or truck showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is an isometric view thereof. 

CLAIM The ornamental design for an add-on armrest for a wheelchair or truck, as shown and described. 